Compare 21407 vs 21418

Property	21407	21418
Type	prime	semiprime
Unique factors	1	2
Total factors	1	2
Prime factorization	21407¹	2¹ × 10709¹
Prime factorization	21407	2 × 10709
Divisors count	2	4
Divisors	1, 21407	1, 2, 10709, 21418
Number of properties	6	1
Chen primes	1180th
Happy primes	398th
Isolated primes	1679th
Long primes	911th
Primes	2404th
Semiprimes		5424th
Sexy primes (2nd member)	730th
Roman numberals
Base 2	101001110011111₂	101001110101010₂
Base 3	1002100212₃	1002101021₃
Base 4	11032133₄	11032222₄
Base 5	1141112₅	1141133₅
Base 6	243035₆	243054₆
Base 7	116261₇	116305₇
Base 8	51637₈	51652₈
Base 9	32325₉	32337₉
Base 10	21407₁₀	21418₁₀
Base 11	150a1₁₁	15101₁₁
Base 12	1047b₁₂	1048a₁₂
Base 13	9989₁₃	9997₁₃
Base 14	7b31₁₄	7b3c₁₄
Base 15	6522₁₅	652d₁₅
Base 16	539f₁₆	53aa₁₆